sem_defs.h
来自「澳洲人写的Cortex,包括uC_IP协议栈」· C头文件 代码 · 共 156 行
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<HTML><HEAD><TITLE>/home/asysweb/public_html/cortex/kernel/src/sem_defs.h</TITLE></HEAD><BODY><pre><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/* */</font><font color="#6920ac">/* Copyright (c) 1997-1999 Australian Real Time Embedded Systems */</font><font color="#6920ac">/* */</font><font color="#6920ac">/* PROPRIETARY RIGHTS of Australian Real Time Embedded Systems */</font><font color="#6920ac">/* are involved in the subject matter of this material. All reproduction,*/</font><font color="#6920ac">/* manufacturing, use, and sales rights pertaining to this subject matter*/</font><font color="#6920ac">/* are governed by the license agreement. The recipient of this software */</font><font color="#6920ac">/* implicitly accepts the terms of the license. */</font><font color="#6920ac">/* */</font><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/************************************************************************* * * FILE NAME * * sem_defs.h * * SYSTEM COMPONENT * * Semaphore * * DESCRIPTION * * This file contains data and constant definitions for * Semaphore Compenent. * * SCCS HISTORY * * @(#)sem_defs.h 1.3, 01/25/99, 00:32:29 * * AUTHOR * * Vadim N. Azarovsky * * CREATED * * 12-Jun-1998 by Vadim N. Azarovsky * * REVISION HISTORY * * NAME DATE REMARKS * **************************************************************************/</font><b><font color='DarkGreen'>#ifndef</font></b><font color="maroon"> __SEM_DEFS__H</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="__SEM_DEFS__H">__SEM_DEFS__H</a></font><b><font color='DarkGreen'>#ifdef</font></b><font color="maroon"> __cplusplus</font><i>extern</i> <font color="DarkGreen">"C"</font> {<b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* __cplusplus */</font></font><b><font color='DarkGreen'>#include</font></b> <a href="crt_defs.h.FIND-INC"><font color="blue">"crt_defs.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="rlq_defs.h.FIND-INC"><font color="blue">"rlq_defs.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="tsk_defs.h.FIND-INC"><font color="blue">"tsk_defs.h"</font></a><font color="#6920ac">/*********************** * GLOBAL CONSTANSTS * ***********************/</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SEMA_SEMAPHORE_ID">SEMA_SEMAPHORE_ID</a></font> 0x53454d41UL <font color="#6920ac">/* "SEMA" - semaphore ID */</font><font color="#6920ac">/* * Return Codes */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SEMA_SUCCESS">SEMA_SUCCESS</a></font> CRTX_SUCCESS <font color="#6920ac">/* successful completion */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SEMA_ERR_INVALID_SEMAPHORE">SEMA_ERR_INVALID_SEMAPHORE</a></font> -1 <font color="#6920ac">/* invalid semaphore */</font><font color="#6920ac">/* * Semaphore flags */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SEMA_FLAG_INIT">SEMA_FLAG_INIT</a></font> 0x00 <font color="#6920ac">/* initialisation flags */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SEMA_FLAG_SEMAPHORE_ALLOC">SEMA_FLAG_SEMAPHORE_ALLOC</a></font> 0x01 <font color="#6920ac">/* semaphore is allocated */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SEMA_FLAG_SUSP_POLICY">SEMA_FLAG_SUSP_POLICY</a></font> 0x02 <font color="#6920ac">/* task suspend policy */</font><font color="#6920ac">/***************** * GLOBAL MACROS * *****************/</font><b><font color='DarkGreen'>#if</font></b><font color="maroon"> ENVI_CRTX_ERR_CHECK_LEVEL == 0</font><b><font color='DarkGreen'># define</font></b> <font color="maroon"><a name="SEMA_SET_SEMAPHORE_ID">SEMA_SET_SEMAPHORE_ID</a></font>(_sema) <b><font color='DarkGreen'># define</font></b> <font color="maroon"><a name="SEMA_CHECK_SEMAPHORE_ID">SEMA_CHECK_SEMAPHORE_ID</a></font>(_sema) (CRTX_TRUE)<b><font color='DarkGreen'>#else</font></b><font color="maroon"></font><b><font color='DarkGreen'># define</font></b> <font color="maroon"><a name="SEMA_SET_SEMAPHORE_ID">SEMA_SET_SEMAPHORE_ID</a></font>(_sema) ((_sema)->CheckID=SEMA_SEMAPHORE_ID)<b><font color='DarkGreen'># define</font></b> <font color="maroon"><a name="SEMA_CHECK_SEMAPHORE_ID">SEMA_CHECK_SEMAPHORE_ID</a></font>(_sema) ((_sema)->CheckID==SEMA_SEMAPHORE_ID)<b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* ENVI_CRTX_ERR_CHECK_LEVEL == 0 */</font></font><font color="#6920ac">/*********************** * GLOBAL DATA TYPES * ***********************/</font><font color="#6920ac">/* * Semaphore Attributes */</font><i><a name="sema_Attr_t">typedef</a></i> <i>struct</i> { <i>crtx_SegNum_t</i> Segment; <font color="#6920ac">/* memory segment */</font> <i>task_SuspendPolicy_t</i> SuspendPolicy; <font color="#6920ac">/* suspend policy */</font>} <i><font color='DarkBlue'>sema_Attr_t</font></i>;<font color="#6920ac">/* * Semaphore control block */</font> <i><a name="sema_Semaphore_t">typedef</a></i> <i>struct</i> sema_Semaphore_s { <i>crtx_Int_t</i> SemaValue; <font color="#6920ac">/* semaphore value */</font> <i>crtx_Int_t</i> MaxValue; <font color="#6920ac">/* max semaphore value */</font> <i>crtx_Int_t</i> Waiting; <font color="#6920ac">/* threads waiting on semaphore */</font> <i>rque_Queue_t</i> WaitingList; <font color="#6920ac">/* waiting list */</font> <i>crtx_Int_t</i> Flags; <font color="#6920ac">/* flags */</font> <i>crtx_SegNum_t</i> Segment; <font color="#6920ac">/* memory segment */</font><b><font color='DarkGreen'>#if</font></b><font color="maroon"> ENVI_CRTX_ERR_CHECK_LEVEL > 0</font> <i>crtx_Uint32_t</i> CheckID; <font color="#6920ac">/* object id (for error checking) */</font><b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* ENVI_CRTX_ERR_CHECK_LEVEL > 0 */</font></font>} <i><font color='DarkBlue'>sema_Semaphore_t</font></i>;<font color="#6920ac">/***************** * GLOBAL DATA * *****************/</font><i>extern</i> <i>sema_Attr_t</i> sema_AttrDefault_g; <font color="#6920ac">/* default attribute */</font><font color="#6920ac">/*************************** * PROCEDURES PROTOTYPES * ***************************/</font><font color="#6920ac">/* create/initialise semaphore */</font><font size="+1"><i>sema_Semaphore_t</i> *<a href="sema_Create.FIND-FUNC">sema_Create</a>(<i>sema_Semaphore_t</i> *pSemaphore_a, <i>crtx_Int_t</i> InitValue_a, <i>crtx_Int_t</i> MaxValue_a, <i>sema_Attr_t</i> *pAttr_a);</font><font color="#6920ac">/* destroy semaphore */</font><font size="+1"><i>crtx_Void_t</i> <a href="sema_Delete.FIND-FUNC">sema_Delete</a>(<i>sema_Semaphore_t</i> *pSemaphore_a);</font><font color="#6920ac">/* increment semaphore */</font><font size="+1"><i>crtx_Void_t</i> <a href="sema_Post.FIND-FUNC">sema_Post</a>(<i>sema_Semaphore_t</i> *pSemaphore_a);</font><font color="#6920ac">/* wait on a semaphore */</font><font size="+1"><i>crtx_Void_t</i> <a href="sema_Wait.FIND-FUNC">sema_Wait</a>(<i>sema_Semaphore_t</i> *pSemaphore_a);</font><font color="#6920ac">/* try decrement semaphore */</font><font size="+1"><i>crtx_Boolean_t</i> <a href="sema_Try.FIND-FUNC">sema_Try</a>(<i>sema_Semaphore_t</i> *pSemaphore_a);</font><font color="#6920ac">/* ===== END OF THE DEFINITION FILE ===== */</font><b><font color='DarkGreen'>#ifdef</font></b><font color="maroon"> __cplusplus</font>}<b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* __cplusplus */</font></font><b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* __SEM_DEFS__H */</font></font></pre></BODY></HTML>⌨️ 快捷键说明
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